顺流逆流

空气与水直接接触热质交换顺流和逆流过程特性比较

Comparison of Process Characteristics of Air-Water Heat-Mass Transfer in Direct Contact Forward Flow and Backward Flow

脱盐固定床再生顺流改逆流可行性探讨

Discussion on the feasibility of transforming salt removal fixed bed unit from forward current regeneration into counter current regeneration

磁选主机根据磁选原料的干湿程度，分为顺流、逆流干湿两种。

Magnetic separation of magnetic materials according to host drought-wet degree , divided into downstream , counter-current dry wet two kinds .

它联合了顺流和逆流干燥机的优点并能通过热回收系统有效完成。

It combines the advantages of parallel flow and reverse flow dryers and can be completed usefully by a heat recovery system .

运用传热学基本原理进行理论分析，得出了顺流及逆流的单相流流动以及含有相变过程的两相流流动温度沿程变化规律；

The temperature changing rules of counter and parallel flow , including phase changing flow are given after theoretical analysis using the principle of heat transfer .

并利用它对不同气流方式（叉流、顺流和逆流等）的电池分别做了计算。

Moreover , it is also capable of calculating the fuel cell with different gas flow direction ( cross , co , and counter flow ) .

利用顺流及逆流网络方程提出一种确定电源与负荷功率分配关系的功率分解解析方法。

This paper proposes an efficient analytical method for power allocation , which makes sure of the power transferred between generators and loads using downstream and upstream network equations .

该文探讨了回转窑系统设计中顺流或逆流布置、加热方式、材质选择以及密封等技术关键。

The structural characteristics in the design such as kiln seal , parallel or counter-flow patterns , heating mode and steel structure selection are discussed detailedly on basis of the review on the previous cases .

通过传热分析，得到一个基本温度传递距阵方程，该方程可用于预测这种换热器的顺流、逆流换热以及两种冷（热）流体对一种热（冷）流体换热性能。

A univeral basic temperature transfer matrix equation can be applied to predict the heat transfer performance of parallel-or counter-flow in which heat is transfered between one hot fluid and two cold fluids or between two hot fluids and one cold fluid .

本文根据一个三流体分离型热管换热组件的传热分析模型，得到这种组件在流体顺流、逆流时的温度传递矩阵方程。

By using an analytical model of heat transfer units and heat exchanger of three-fluid separate type heat pipe , this paper presents the temperature transfer matrix equations to the kind of unit in the performance of the parallel - or counter-flow .

逆顺流式与逆流式无填料喷雾冷却塔的试验研究

Experimental Study on Parallel & Counter-flow and Counter-flow No-padding Spraying Cooling Tower

相位法超声波流量计是向盛有流动液体的管道中顺流方向和逆流方向交替的发射超声波宽脉冲。

A phase difference flowmeter transmits a long pulse alternately upstream and downstream through a conduit having liquid flowing therin .

本文根据对顺流式、顺逆流式、混流式、横流式、双塔玉米干燥机及小型玉米干燥机进行全面技术性能测试结果，分析影响玉米干燥后水分不均匀度高的因素。

According to the all-side test results of technical performance of various grain dryers including concurrent , concurrent / counter flow , mixing flow , cross flow , double tower and mini type corn dryer , we analyzed the factors leading to significant moisture unevenness in post-drying corn .

冷却水顺流时沿流道方向膜中心温度比冷却水逆流时稍低，冷却水顺流和逆流对沿流道方向膜中心温度的影响差别不大。

Cooling water flow channel along the downstream direction when the membrane core temperature lower than when the cooling water upstream , downstream and upstream of the cooling water flow direction along the membrane core temperature of not very different .